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Method and arrangement for supporting hand over of a mobile terminal

  • US 9,119,116 B2
  • Filed: 03/23/2012
  • Issued: 08/25/2015
  • Est. Priority Date: 03/23/2012
  • Status: Expired due to Fees
First Claim
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1. A method in a core network node in a packet switched (PS) first cellular communication system for supporting Hand Over (HO) to a target cellular communication system of a mobile terminal (UE) supporting PS-to-Circuit Switched (CS) HO, the method comprising:

  • when requesting resources for HO of a UE engaged in a conversational call to a target node in the target communication system;

    signaling a first request for PS resources to the target communication system, indicating a bearer B used for the conversational call; and

    signaling a second request for CS resources to the target communication system, indicating the bearer B,thus enabling the target communication system to decide whether a PS-to-CS HO or a PSHO of the bearer B should be performed.

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